Skip to main content

Advertisement

Table 1 Descriptive statistics for main analyses (N = 1,884)

From: Long-term prognosis of breast cancer detected by mammography screening or other methods

  All age groups Ages 50 to 69 years
Factor Screening, n(%)a (n= 408) Outside screening, n(%) (n= 1,476) Pvalue Screening, n(%) (n= 347) Outside screening, n(%) (n= 502) Pvalue
Primary tumor diameter (mm)    < 0.001    < 0.001
   ≤ 10 158 (39) 207 (14)   143 (41) 82 (16)  
   11 to 20 179 (44) 576 (39)   147 (42) 204 (41)  
   21 to 50 55 (13) 581 (39)   42 (12) 183 (36)  
   > 50 2 (0) 66 (4)   1 (0) 21 (4)  
   N.A. 14 (3) 46 (3)   14 (4) 12 (2)  
Nodal status    < 0.001    < 0.001
   Negative 317 (77) 862 (58)   273 (79) 321 (64)  
   Positive 85 (21) 552 (37)   69 (20) 178 (35)  
   N.A. 6 (1) 62 (4)   5 (1) 3 (0)  
Histological type    0.04    0.02
   Ductal 287 (70) 1,104 (75)   243 (70) 365 (73)  
   Lobular 65 (16) 232 (16)   55 (16) 95 (19)  
   Special type 56 (14) 139 (9)   49 (14) 41 (8)  
   N.A. 0 1 (0)   0 1 (0)  
Histological grade    < 0.001    < 0.001
   1 129 (32) 241 (16)   111 (32) 85 (17)  
   2 147 (36) 515 (35)   123 (35) 172 (34)  
   3 55 (13) 326 (22)   43 (12) 115 (23)  
   N.A. 77 (19) 394 (27)   70 (20) 130 (26)  
ER content    0.038    0.002
   Negative 40 (10) 232 (16)   31 (9) 94 (19)  
   Positive 204 (50) 802 (54)   172 (50) 260 (52)  
   N.A. 164 (40) 442 (30)   144 (41) 148 (29)  
PR content    0.094    < 0.001
   Negative 79 (19) 392 (27)   64 (18) 171 (34)  
   Positive 161 (39) 620 (42)   132 (38) 173 (34)  
   N.A. 168 (41) 464 (31)   151 (44) 158 (31)  
HER2       
   Amplification    0.09    0.19
   Negative 217 (53) 852 (58)   176 (51) 293 (58)  
   Positive 37 (9) 202 (14)   32 (9) 72 (14)  
   N.A. 154 (38) 422 (29)   139 (40) 137 (27)  
   Expression    0.25    0.33
   Negative 218 (53) 889 (60)   179 (52) 299 (60)  
   Positive 39 (10) 198 (13)   33 (10) 69 (14)  
   N.A. 151 (37) 389 (26)   135 (39) 134 (27)  
Ki-67    0.08    0.07
   Negative 155 (38) 615 (42)   133 (38) 209 (42)  
   Positive 73 (18) 379 (26)   54 (16) 121 (24)  
   N.A. 180 (44) 482 (33)   160 (46) 172 (34)  
p53    0.63    0.21
   Negative 171 (42) 786 (53)   145 (42) 254 (51)  
   Positive 38 (9) 192 (13)   31 (9) 73 (15)  
   N.A. 199 (49) 498 (34)   171 (49) 175 (35)  
Adjuvant systemic therapy    < 0.001    < 0.001
   Not given 314 (77) 827 (56)   271 (78) 297 (59)  
   Given 89 (22) 609 (41)   72 (21) 197 (39)  
   N.A. 5 (1) 40 (3)   4 (1) 8 (2)  
  1. ER = estrogen receptor; PR = progesterone receptor; N.A. = not available. aPercentages may not equal 100% due to rounding.